EP3643507A1 - Dispositif d'impression et procédé d'impression d'un substrat en forme d'arc - Google Patents

Dispositif d'impression et procédé d'impression d'un substrat en forme d'arc Download PDF

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Publication number
EP3643507A1
EP3643507A1 EP19202664.9A EP19202664A EP3643507A1 EP 3643507 A1 EP3643507 A1 EP 3643507A1 EP 19202664 A EP19202664 A EP 19202664A EP 3643507 A1 EP3643507 A1 EP 3643507A1
Authority
EP
European Patent Office
Prior art keywords
drum
substrate
gripper
printing device
printing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19202664.9A
Other languages
German (de)
English (en)
Other versions
EP3643507B1 (fr
Inventor
Stefan Tschorn
Matthias Amrein
Daniel Koster
Alexander GÖDECKE
Nina Baier
Michael Gardon
Josef Kirschbauer
James Zerbel
Franziska Peinze
Arthur Mathea
Alexander MOMBRÉE
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bundesdruckerei GmbH
Original Assignee
Bundesdruckerei GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bundesdruckerei GmbH filed Critical Bundesdruckerei GmbH
Publication of EP3643507A1 publication Critical patent/EP3643507A1/fr
Application granted granted Critical
Publication of EP3643507B1 publication Critical patent/EP3643507B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/22—Clamps or grippers
    • B41J13/223—Clamps or grippers on rotatable drums
    • B41J13/226—Clamps or grippers on rotatable drums using suction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J13/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, specially adapted for supporting or handling copy material in short lengths, e.g. sheets
    • B41J13/10—Sheet holders, retainers, movable guides, or stationary guides
    • B41J13/22—Clamps or grippers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/60—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for printing on both faces of the printing material

Definitions

  • the invention relates to a printing device for printing an arcuate substrate, with a drum which can be driven to rotate about a longitudinal axis of the drum, in particular continuously or clocked, on the lateral surface of which at least one arcuate substrate can be fixed at least in regions by means of at least one gripper for fixing the arcuate substrate to a first substrate area and by means of a suction air provided by a suction air region of the drum for fixing the arcuate substrate to a second substrate region, and with a printing device, in particular an inkjet printing device, arranged radially with respect to the drum.
  • the invention also relates to a method for printing an arcuate substrate with such a printing device.
  • Such a printing device is used, for example, in the production of an identification, value or security document, in particular in the production of passports.
  • Passports include a cover and a block of passport books that are glued and folded together.
  • the passport book block is produced from a sheet, in particular a sheet of paper, from which the benefits are separated after printing.
  • a sheet can thus contain a multitude of benefits, it being possible for only individual benefits of the sheet to be printed individually and / or in a personalized manner.
  • personalized data or information such as place of residence, size, eye color or religious or artist's name are printed on (paper) page one under numbers 11 to 14.
  • the passport pages or visa pages of the visa sheet remain largely free of pressure and only individual passport pages are provided with a personalized or individualized print, preferably using an inkjet printing device.
  • a printing device of the type mentioned is, for example, from the EP 2 657 035 A1 known, which provides a drum for the transport of an arcuate substrate on which the substrate can be fixed both by means of grippers and by means of suction on the outer surface of the drum before it is printed with the inkjet printing device.
  • drums for the transport of an arcuate substrate are in the EP 3 016 365 A1 , the US 2009/0 051 747 A1 and the DE 10 2016 207 398 B3 described.
  • the drums only use either mechanical gripping elements or only suction air for fixing the arcuate substrate to the drum.
  • a printing device that has proven itself very well for the purpose of producing identification, value or security documents is in the DE 10 2016 221 192 A1 described by the applicant, which makes it possible to print an arcuate substrate on both sides. After printing on the first substrate side, the sheet-like substrate is turned by means of deflection rollers before it is also printed on the second substrate side.
  • the pressure device is characterized in particular by the fact that the at least one gripper is attached to a fastening rod running parallel to the longitudinal axis of the drum, which can be adjusted by means of a lever that can be actuated by pressure medium, between a first pivot position, in which the at least one gripper is in an open position, and a second Swivel position in which the at least one gripper is in a closed position.
  • a second printing device in particular a second inkjet printing device, is provided which is arranged radially with respect to the second drum.
  • the possibility is opened that the at least one gripper of the fastening rod of the first drum is arranged offset with respect to the at least one gripper of the fastening rod of the second drum.
  • a plurality of grippers are arranged on the fastening rod of the first drum and that a plurality of grippers are arranged on the fastening rod of the second drum.
  • the grippers of the first drum and the grippers of the second drum are preferably comb-like, in particular in the transfer gap.
  • the suction air region is arranged only in regions on the lateral surface of the drum at a predetermined distance from the at least one gripper.
  • a fixation-free casing area is created on the lateral surface between the gripper and the suction air area, so that the curved substrate can be fixed without distortion, in particular on its front edge by means of the gripper and on its rear edge by means of the suction air on the drum.
  • the fastening rod is rotatably mounted on a swivel bracket which is adjustable between a raised position in which the fastening rod protrudes beyond the outer surface of the drum and a lowered position, in which the fastening rod is arranged at least flat to the outer surface of the drum.
  • the swivel bracket can be adjusted, for example, by means of an electric servomotor. Alternatively, the adjustment can be actuated by pressure medium, in particular pneumatically or hydraulically.
  • the adjustment of the at least one swivel bracket can alternatively or additionally be carried out by gravity. This means that the swivel bracket is brought into the raised position when it is opposite a sheet feeder located below the drum, and is therefore pivoted out of the outer surface of the drum due to gravity and thus protrudes beyond the outer surface.
  • the swivel holder is assigned a roller which is designed to interact with a control cam or a run-up or a guide bar in such a way that the swivel holder, in particular at predetermined angular positions of the drum, between its raised position and their lowered position is adjusted.
  • the roller can be used to roll along a surface of the sheet feeder or along part of a machine frame, whereby the swivel bracket is folded in again and transferred to its lowered position .
  • a kinematic reversal is possible.
  • the drum has at least one switching device which is designed to regulate the suction air range only under predetermined angular positions or only within a predetermined range of angular positions of the drum between an active one , to adjust a suction power on the lateral surface configuration, and an inactive configuration that does not provide or prevent the suction power on the lateral surface.
  • the drum has proven to be advantageous if an arched substrate to be printed is first fixed with the grippers attached to the fastening rod before it is subsequently sucked into the suction air area of the drum.
  • the switching device is guided in a drum link formed in the drum, and if the switching device has a switching element which is designed to interact with a control cam or a run-up or a guide strip in such a way that the suction air area between the active one Configuration and the inactive configuration.
  • the switching element can be adjusted in the drum link, for example by means of an electric servomotor or pressure medium-operated, in particular pneumatically or hydraulically. It is also possible that it is adjusted by gravity, so that the adjustability of the switching element can take place in an analogous manner to the adjustability of the swivel bracket.
  • a secure adjustability of the fastening rod can also be achieved by having the swivel bracket on both sides of the drum.
  • the two swivel brackets then rotatably support the fastening rod between them, so that the swivel brackets form a swivel bracket with the fastening rod.
  • the situation is correspondingly the same with the shifting gate, which can be provided on both sides of the drum or can be formed on both sides of the drum in order to guide a switching element which is present on one or both sides of the drum.
  • the curved substrate is between the first substrate region fixed by the at least one gripper and the second substrate region fixed by the suction air region is spread onto the circumferential surface of the drum by means of a scraper device, the scraper device being formed in particular as a blade, a strip, a brush strip or the like.
  • a particularly reliable removal of the sheet-like substrate from a sheet feeder can be achieved by firstly picking up the sheet-like substrate by means of the at least one gripper, and that the suction air area subsequently follows from an inactive configuration that prevents the suction power on the lateral surface into an active one Suction power on the configuration providing the lateral surface is adjusted for subsequent temporal fixation of the second substrate region of the arcuate substrate.
  • the drum is rotated further after printing on the first substrate side, and if the sheet-like substrate is transferred to a second drum in a transfer nip and by means of a second printing device on a second Substrate side is printed.
  • the sheet-shaped substrate is given to a sheet deposit after printing on the first side of the substrate or after printing on the second side of the substrate.
  • the possibility is opened of having several sheet-shaped substrates transported by the drum at the same time. This is preferably one of the number of sheet-shaped substrates to be transported corresponding number of fastening rods and suction air areas available on each of the drums.
  • a printing device 200 is shown, which is used for printing an arcuate substrate 300.
  • This printing device 200 is used in particular in the production of a German passport.
  • the printing device 200 comprises a first drum 202A and a second drum 202B, which can be driven continuously or clocked in opposite directions, rotating about their longitudinal drum axes 204.
  • the two drums 202A, 202B are aligned with one another in such a way that a transfer gap 216 is formed between them for transferring the arcuate substrate 300 from the first drum 202A to the second drum 202B.
  • the arcuate substrate 300 can be fixed at least in regions on the lateral surfaces 206 of the drums 202A, 202B.
  • the fixation takes place on the one hand by means of a gripper 208 on a first substrate area 302 and on the other hand by means of suction air provided by a suction air area 210 of the drums 202A, 202B on a second substrate area 304.
  • the first drum 202A is assigned a first printing device 250A radially, in particular vertically above the drum 202A.
  • the first printing device 250A is formed, for example, as an inkjet printing device comprising a plurality of print heads.
  • the second drum 202B is assigned a second printing device 250B radially, in particular vertically above the drum 202B.
  • the second printing device 250B is also formed, for example, as an inkjet printing device comprising a plurality of printing heads. In the present case, the two printing devices 250A, 250B are aligned parallel to one another.
  • a sheet feeder 400 below the first drum 202A which is designed to feed the arcuate substrate 300 to the first drum 202A.
  • a sheet tray 402 for storing the sheet-shaped sheet printed on both sides Substrate 300 present.
  • the sheet feeder 400 and / or the sheet deposit 402 can be designed to be adjustable in height, manually or automatically.
  • the drums 202A, 202B can be driven to rotate about their longitudinal drum axis 204, a motor 232 being provided for rotating or driving the drums 202A, 202B.
  • a motor 232 being provided for rotating or driving the drums 202A, 202B.
  • these are subdivided into a plurality of individual strips 234, one of the grippers 208 being assigned to each of the strips 234.
  • a portion 240 of the suction air region 210 is assigned to each of the strips 234. It can also be seen that the suction air region 210 is formed only in regions on the lateral surface 206 of the drums 202A, 202B and maintains a predetermined distance from the at least one gripper 208.
  • a plurality of grippers 208 are fixed to a fastening rod 212, the grippers 208 being aligned, in particular, equidistantly from one another.
  • the fastening rod 212 can be pivoted about its longitudinal axis between a first pivot position and a second pivot position by means of a lever 214. The lever 214 thus opens and closes the grippers 208 fixed to the fastening rod 212.
  • the lever 214 which can be actuated by means of a pressure medium, in particular pneumatically or hydraulically, is designed in such a way that the fastening rod 212 between the first pivot position, in which the at least one a gripper 208 is in an open position, and a second swivel position in which the at least one gripper 208 is in a closed position is adjustable.
  • the arcuate substrate 300 can be fed to the drum 202A, 202B, wherein the grippers 208 fix the arcuate substrate to the lateral surface 206 of the drum 202A, 202B in the closed position.
  • the adjusting unit for actuating the lever 214 in the present case has a linearly adjustable piston rod 242, which is pivotally attached to the lever 214.
  • the drum 202A, 202B is designed to simultaneously fix three of the arcuate substrates 300 to their lateral surface 206 and to transport them. Another number is possible, and the diameter of the drum 202A, 202B and the number of fastening rods 212 with grippers 208 can be adapted accordingly. In any case, there may be a plurality of fastening rods 212 with grippers 208 distributed over the circumference of the drum 202A, 202B and a number of suction air regions 210 corresponding to the number of fastening rods 212.
  • the fastening rod 212 is rotatably mounted on a swivel bracket 218 in the present case.
  • two of the swivel brackets 218 are provided for each of the arched substrates 300 to be transported, which are mounted on both sides of the drum 202A, 202B.
  • a first swivel bracket 218 is arranged on the first end face of the drum 202A, 202B and a second swivel bracket 218 on the second end face of the drum 202A, 202B, so that they form a swivel bracket with the fastening rod 212 .
  • first swivel bracket 218 with respect to the drum longitudinal axis 204 is thus arranged in front of the lateral surface 206 and the second swivel bracket 218 with respect to the drum longitudinal axis 204 after the lateral surface 206 of the drum 202A, 202B.
  • This swivel bracket 218 is adjustable between a raised position in which the fastening rod 212 protrudes beyond the lateral surface 206 of the drum 202A, 202B (e.g. swivel holder 218 in the image below) and a lowered position in which the fastening rod 212 is at least flat to the lateral surface 206 the drum 202A, 202B is arranged (for example, swivel brackets 218 in the image at the top left and right).
  • the swivel bracket 218 can also be brought into the raised position by gravity.
  • the swivel bracket 218 can also be carried out by means of an electric servomotor. Alternatively, the swivel bracket 218 can be adjusted by pressure medium, in particular pneumatically or hydraulically.
  • the swivel bracket 218 is guided in a guide groove 244 of the drum 202A, 202B between two stops, the guide groove 244 extending tangentially with respect to the lateral surface 206 or along a secant of the circle described by the lateral surface 206.
  • the swivel bracket 218 is also assigned a roller 222, which is designed to interact with a control cam or a run-up or a guide bar, for example a guide bar of a machine frame, in such a way that the swivel bracket 218 is brought back into the guide recess 246 and thus back into its lowered position becomes. It is also possible that there is a kinematic reversal, after which the roller 222 is used to disengage the swivel bracket 218 from the guide recess 246 and to transfer it to the raised position.
  • the drum 202A, 202B has at least one switching device 220, which is designed to operate the suction air region 210 only at predetermined angular positions or only within a predefined range of angular positions of the drum 202A, 202B between an active suction power on the lateral surface 206 providing configuration and an inactive configuration that prevents the suction power on the lateral surface 206.
  • the switching device 220 is preferably guided in a drum link 226, the switching device 220 being associated with a switching element 224 which is designed to interact with a control cam or a run-up or a guide bar, for example a guide bar of a machine frame, in order to between the suction air region 210 the active configuration and the inactive configuration.
  • the switching device 220 can be adjusted, for example, by means of an electric servomotor.
  • the switching device 220 can be actuated by pressure medium, in particular pneumatically or hydraulically.
  • the switching device 220 can be driven by gravity
  • the switching element 224 actively sets the switching device 220 when interacting with the control curve, the start-up or a guide bar.
  • the reverse possibility (kinematic reversal) is also opened here, so that the switching element 224, under the influence of gravity, transfers the switching device 220 into the inactive configuration.
  • FIG. 3 and 4th it can additionally be seen that the section of the drum 202A, 202B on which the grippers 208 fix the first substrate region 302 is formed free of suction holes or free of suction air regions.
  • the suction air region 210 is designed to fix the substrate 300 in its second substrate region 304, which is spaced apart from the first substrate region 302.
  • the fastening rod 212 comprises a recess which is provided with a thread in order to fix the gripper 208 to the fastening rod 212 by means of at least one, in the present case with exactly three screws. A different number of screws is possible.
  • another fixation for the grippers 208 is possible, which can be formed, for example, with rivets, nails or other clamping elements for clamping a gripper end.
  • This figure also shows the shape of the grippers 208, which comprise a retaining tab 248 at their free end, ie at their end not arranged on the fastening rod 212.
  • the holding tab 248 is the part of the gripper 208 that fixes the arcuate substrate 300 in its first substrate region 302.
  • the grippers 208 on the fastening rods 212 are aligned offset from one another, wherein the grippers 208 of the first drum 202A mesh in particular like a comb with the grippers 208 of the second drum 202B.
  • the sheet-shaped substrate 300 is provided by means of the sheet feeder 400, the first drum 202A being rotated counterclockwise about its longitudinal axis 204 and the fastening rod 212 of the first drum 202A being pivoted into its first pivoting position, as a result of which the grippers 208 of the first drum 202A into the Open position will be transferred.
  • the arcuate substrate 300 is gripped on a first substrate region 302 by means of the grippers 208 when the fastening rod 212 is pivoted into the second pivot position, which means that the grippers 208 are thus brought into the closed position.
  • the drum 202A is rotated further and the arcuate substrate 300 is spread onto the outer surface 206 by means of a wiping device 230, in particular a brush strip.
  • the second substrate region 304 of the substrate 300 is fixed to the lateral surface 206 of the drum 202A by means of the suction air provided by the suction air region 210. Simultaneously or subsequently, the substrate 300 is transported to the first printing device 250A, where it is printed on its first substrate side.
  • the substrate 300 printed on one side is transported further until the first substrate region 302 has arrived in the transfer nip 216, where the grippers 208 of the second drum 202B take over the arcuate substrate 300 and the grippers 208 of the first drum 202A are transferred into the open position to release the substrate .
  • the arcuate substrate 300 is struck onto the lateral surface 206 by means of a wiping device 230, in particular with a brush strip, until it is subsequently fixed in the suction air region 210 of the second drum 202B by means of suction air.
  • the second drum 202B is then rotated further and the sheet-like substrate 300 is printed on its second substrate side with the second printing device 250B before it is deposited on the sheet deposit 402 for further processing.
EP19202664.9A 2018-10-15 2019-10-11 Dispositif d'impression et procédé d'impression d'un substrat en forme d'arc Active EP3643507B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102018125390.7A DE102018125390B4 (de) 2018-10-15 2018-10-15 Druckvorrichtung und verfahren zum bedrucken eines bogenförmigen substrats

Publications (2)

Publication Number Publication Date
EP3643507A1 true EP3643507A1 (fr) 2020-04-29
EP3643507B1 EP3643507B1 (fr) 2021-12-01

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EP19202664.9A Active EP3643507B1 (fr) 2018-10-15 2019-10-11 Dispositif d'impression et procédé d'impression d'un substrat en forme d'arc

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Country Link
EP (1) EP3643507B1 (fr)
DE (1) DE102018125390B4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113911730B (zh) * 2021-10-13 2023-03-14 潍坊新松机器人自动化有限公司 一种翻角型搬运薄板机器人

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10312870A1 (de) * 2002-07-16 2004-02-26 Ebe Hesterman Digitaldruckmaschine
US20090035046A1 (en) * 2007-07-31 2009-02-05 Belbey Jason S Print drum
US20090051747A1 (en) 2007-08-23 2009-02-26 Brother Kogyo Kabushiki Kaisha Inkjet recording apparatus
US20110025807A1 (en) * 2009-07-31 2011-02-03 Takashi Fukui Medium holding apparatus and image forming apparatus
US20130021402A1 (en) * 2011-07-22 2013-01-24 Fujifilm Corporation Image forming device and image forming method
EP2657035A1 (fr) 2012-04-24 2013-10-30 Komori Corporation Appareil d'impression numérique
EP2610064B1 (fr) * 2011-12-27 2015-05-06 Fujifilm Corporation Appareil d'enregistrement à jet d'encre
CN105172387A (zh) * 2015-08-19 2015-12-23 江苏昌昇集团股份有限公司 一种双面喷墨印刷机
EP3016365A1 (fr) 2013-06-28 2016-05-04 Konica Minolta, Inc. Dispositif de formation d'image
DE102016207398B3 (de) 2015-09-09 2016-08-18 Koenig & Bauer Ag Maschinenanordnung zum sequentiellen Bearbeiten mehrerer bogenförmiger jeweils eine Vorderseite und eine Rückseite aufweisender Substrate
DE102016221192A1 (de) 2016-10-27 2018-05-03 Bundesdruckerei Gmbh Vorrichtung und Verfahren zum Bedrucken eines bogenförmigen Substrats

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4660825A (en) * 1979-07-26 1987-04-28 Ricoh Company Ltd. Sheet clamping device
JP5148363B2 (ja) * 2008-05-13 2013-02-20 富士フイルム株式会社 画像形成装置及びメンテナンス方法

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10312870A1 (de) * 2002-07-16 2004-02-26 Ebe Hesterman Digitaldruckmaschine
US20090035046A1 (en) * 2007-07-31 2009-02-05 Belbey Jason S Print drum
US20090051747A1 (en) 2007-08-23 2009-02-26 Brother Kogyo Kabushiki Kaisha Inkjet recording apparatus
US20110025807A1 (en) * 2009-07-31 2011-02-03 Takashi Fukui Medium holding apparatus and image forming apparatus
US20130021402A1 (en) * 2011-07-22 2013-01-24 Fujifilm Corporation Image forming device and image forming method
EP2610064B1 (fr) * 2011-12-27 2015-05-06 Fujifilm Corporation Appareil d'enregistrement à jet d'encre
EP2657035A1 (fr) 2012-04-24 2013-10-30 Komori Corporation Appareil d'impression numérique
EP3016365A1 (fr) 2013-06-28 2016-05-04 Konica Minolta, Inc. Dispositif de formation d'image
CN105172387A (zh) * 2015-08-19 2015-12-23 江苏昌昇集团股份有限公司 一种双面喷墨印刷机
DE102016207398B3 (de) 2015-09-09 2016-08-18 Koenig & Bauer Ag Maschinenanordnung zum sequentiellen Bearbeiten mehrerer bogenförmiger jeweils eine Vorderseite und eine Rückseite aufweisender Substrate
DE102016221192A1 (de) 2016-10-27 2018-05-03 Bundesdruckerei Gmbh Vorrichtung und Verfahren zum Bedrucken eines bogenförmigen Substrats

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Publication number Publication date
EP3643507B1 (fr) 2021-12-01
DE102018125390A1 (de) 2020-04-16
DE102018125390B4 (de) 2023-11-16

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